Perhaps you should try some spelling variations:
tang truong » tang cuong
chieu sach » chinh sach, chiet tach, chieu sang
cong tang » cong thang, cong tan, cong lang
son thanh » ban thanh, van thanh
ho chieu » theo chieu, hoc thieu, doi chieu
than cap » khan cap, thanh lap, thanh cac
con tan » cong tan, con than, con tap

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ho chieu sach - thanh cong tang truong ((con tan) or (son thanh)) than cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - thanh cong tang truong ((con tan) OR (son thanh)) than cap.
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - thanh cong tang truong ((con tan) or (son thanh)) than cap*.